basecommand.py 文件源码

def __init__(self, main_parser):
        parser_kw = {
            'usage': self.usage,
            'prog': '%s %s' % (get_prog(), self.name),
            'formatter': UpdatingDefaultsHelpFormatter(),
            'add_help_option': False,
            'name': self.name,
            'description': self.__doc__,
        }
        self.main_parser = main_parser
        self.parser = ConfigOptionParser(**parser_kw)

        # Commands should add options to this option group
        optgroup_name = '%s Options' % self.name.capitalize()
        self.cmd_opts = optparse.OptionGroup(self.parser, optgroup_name)

        # Re-add all options and option groups.
        for group in main_parser.option_groups:
            self._copy_option_group(self.parser, group)

        # Copies all general options from the main parser.
        self._copy_options(self.parser, main_parser.option_list)